GB/T 7993-2003
Vitreous and porcelain enamel--Enamelled articles for service under highly corrosive conditions-High voltage test (English Version)
- Standard No.
- GB/T 7993-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2015-07
- Replace By
- GB/T 7991.6-2014
- Latest
- GB/T 7991.6-2014
- Replace
- GB/T 7993-1987
- Scope
- This standard specifies the high voltage test method for glass-lined equipment used in corrosive conditions. The purpose of the high voltage test is to detect and locate defects in the glass-lined layer extending to the metal substrate and weak points in the glass-lined layer. This test method is applicable to the detection where the voltage is not lower than 2 kV and the thickness of the glass-lined layer is not less than 660 μm.
GB/T 7993-2003 history
- 2014 GB/T 7991.6-2014 Test method of viterous and porcelain enamels.Part 6:High voltage test
- 2003 GB/T 7993-2003 Vitreous and porcelain enamel--Enamelled articles for service under highly corrosive conditions-High voltage test
- 0000年 GB/T 7993-1987
GB/T 7993-2003 Vitreous and porcelain enamel--Enamelled articles for service under highly corrosive conditions-High voltage test was changed to GB/T 7991.6-2014 Test method of viterous and porcelain enamels.Part 6:High voltage test.